Simple Machines (Experimenting With...Series)
Publisher: Trifolium Books Inc; Trifolium Books
Published: February 2001
Language: eng
Format: Paperback
Number of pages: 40
ISBN-13: 9781552440384
Subjects: Experiments & Projects; Machinery; Science & Nature - Experiments & Projects; Juvenile Nonfiction; Science; Children: Grades 4-6